10-15-2014
I am able to get only the outputs as showing there is file difference and additional file present in D2 i need to print the difference like how it can be achieved in respective log
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I want to compare 2 files using awk and get output of content which is not matching
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780
143
b.txt
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Not matching line from b.txt
O/P
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LEARN ABOUT PHP
array_udiff_assoc
ARRAY_UDIFF_ASSOC(3) 1 ARRAY_UDIFF_ASSOC(3)
array_udiff_assoc - Computes the difference of arrays with additional index check, compares data by a callback function
SYNOPSIS
array array_udiff_assoc (array $array1, array $array2, [array $...], callable $value_compare_func)
DESCRIPTION
Computes the difference of arrays with additional index check, compares data by a callback function.
Note
Please note that this function only checks one dimension of a n-dimensional array. Of course you can check deeper dimensions by
using, for example, array_udiff_assoc($array1[0], $array2[0], "some_comparison_func");.
PARAMETERS
o $array1
- The first array.
o $array2
- The second array.
o $value_compare_func
- The comparison function must return an integer less than, equal to, or greater than zero if the first argument is considered to
be respectively less than, equal to, or greater than the second.
int callback (mixed $a, mixed $b)
RETURN VALUES
array_udiff_assoc(3) returns an array containing all the values from $array1 that are not present in any of the other arguments. Note that
the keys are used in the comparison unlike array_diff(3) and array_udiff(3). The comparison of arrays' data is performed by using an user-
supplied callback. In this aspect the behaviour is opposite to the behaviour of array_diff_assoc(3) which uses internal function for com-
parison.
EXAMPLES
Example #1
array_udiff_assoc(3) example
<?php
class cr {
private $priv_member;
function cr($val)
{
$this->priv_member = $val;
}
static function comp_func_cr($a, $b)
{
if ($a->priv_member === $b->priv_member) return 0;
return ($a->priv_member > $b->priv_member)? 1:-1;
}
}
$a = array("0.1" => new cr(9), "0.5" => new cr(12), 0 => new cr(23), 1=> new cr(4), 2 => new cr(-15),);
$b = array("0.2" => new cr(9), "0.5" => new cr(22), 0 => new cr(3), 1=> new cr(4), 2 => new cr(-15),);
$result = array_udiff_assoc($a, $b, array("cr", "comp_func_cr"));
print_r($result);
?>
The above example will output:
Array
(
[0.1] => cr Object
(
[priv_member:private] => 9
)
[0.5] => cr Object
(
[priv_member:private] => 12
)
[0] => cr Object
(
[priv_member:private] => 23
)
)
In our example above you see the "1" => new cr(4) pair is present in both arrays and thus it is not in the output from the function.
SEE ALSO
array_diff(3), array_diff_assoc(3), array_diff_uassoc(3), array_udiff(3), array_udiff_uassoc(3), array_intersect(3), array_inter-
sect_assoc(3), array_uintersect(3), array_uintersect_assoc(3), array_uintersect_uassoc(3).
PHP Documentation Group ARRAY_UDIFF_ASSOC(3)